Granite Guideways
  • Granite Guideways

Granite Guideways

  • Product description
  • Specifications
  • Granite rail is used in CMM, drilling& milling machines for PC board,Laser machines and CNC as a guideway with Grade00 of DIN876/GB/JIS .


    Physical Property : 

    Specific Gravity: 3.03 g/cm3
    Shore Hardness: > 70Hs-80Hs
    Tensile strength: 211Kg/cm2
    Compressive Strength: 245-254Mpa
    Linear Expansion Coefficient: 4.61´10--6/°C
    Elastic Modulus: 30-50Gpa
    Water Absorptivity: ≤0.13%

Send message